trouble with sleeping in an applet

I'm trying to simulate a typewriter effect in an applet. I have a main box and input box which I want to copy the input text letter by letter in to the mainbox. The problem I'm having is when I try to sleep it sleeps the whole time then prints the text. I tested printing to JOptionPane and I didn't have any trouble. Any help would be great.

I have a 2d matrix with dimension (3, n) called A, I want to calculate the normalization and cross product of two arrays (b,z) (see the code please) for each column (for the first column, then the second one and so on).
the function that I created to find the ...

Write a C program that should create a 10 element array of random integers (0 to 9). The program should total all of the numbers in the odd positions of the array and compare them with the total of the numbers in the even positions of the array and indicate ...